﻿using Posphorum.Common;
using System;
using System.Collections.Generic;
using System.IO;
using System.Linq;
using Windows.Foundation;
using Windows.Foundation.Collections;
using Windows.UI.Xaml;
using Windows.UI.Xaml.Controls;
using Windows.UI.Xaml.Controls.Primitives;
using Windows.UI.Xaml.Data;
using Windows.UI.Xaml.Input;
using Windows.UI.Xaml.Media;
using Windows.UI.Xaml.Navigation;
using Windows.UI.ApplicationSettings;
using Windows.Storage;

// The Basic Page item template is documented at http://go.microsoft.com/fwlink/?LinkId=234237

namespace Posphorum
{
    /// <summary>
    /// A basic page that provides characteristics common to most applications.
    /// </summary>
    public sealed partial class DayDetailPage : Page
    {

        private NavigationHelper navigationHelper;
        private ObservableDictionary defaultViewModel = new ObservableDictionary();

        /// <summary>
        /// This can be changed to a strongly typed view model.
        /// </summary>
        public ObservableDictionary DefaultViewModel
        {
            get { return this.defaultViewModel; }
        }

        /// <summary>
        /// NavigationHelper is used on each page to aid in navigation and 
        /// process lifetime management
        /// </summary>
        public NavigationHelper NavigationHelper
        {
            get { return this.navigationHelper; }
        }


        public DayDetailPage()
        {
            this.InitializeComponent();
            this.navigationHelper = new NavigationHelper(this);
            this.navigationHelper.LoadState += navigationHelper_LoadState;
            this.navigationHelper.SaveState += navigationHelper_SaveState;
        }

        void registerToNotifier()
        {
            var notifier = (SettingChangeNotifier)Application.Current.Resources["settingChangeNotifier"];
            notifier.SettingChanged += updateAsSettingChanged;
        }

        void unregisterToNotifier()
        {
            var notifier = (SettingChangeNotifier)Application.Current.Resources["settingChangeNotifier"];
            notifier.SettingChanged -= updateAsSettingChanged;
        }

        void updateAsSettingChanged(object sender, SettingChangedEventArgs e)
        {
            if (e.SettingType == SettingTypes.ForceKorean)
            {
                Time[] abc = this.DefaultViewModel["MealTimes"] as Time[];
                this.DefaultViewModel["MealTimes"] = null;
                this.DefaultViewModel["MealTimes"] = abc;
            }
        }

        //Popup _settingsPopup;
        //void DietGroupedPage_CommandsRequested(SettingsPane sender, SettingsPaneCommandsRequestedEventArgs args)
        //{
        //    var loader = new Windows.ApplicationModel.Resources.ResourceLoader();
        //    var languageTitle = loader.GetString("LanguageTitle");
        //    SettingsCommand cmd = new SettingsCommand("lang", languageTitle, (x) =>
        //    {
        //        Int32 _settingsWidth = 370;
        //        Rect _windowBounds = Window.Current.Bounds;
        //        _settingsPopup = new Popup();
        //        _settingsPopup.Closed += OnPopupClosed;
        //        Window.Current.Activated += OnWindowActivated;
        //        _settingsPopup.IsLightDismissEnabled = true;
        //        _settingsPopup.Width = _settingsWidth;
        //        _settingsPopup.Height = _windowBounds.Height;

        //        LanguageControl control = new LanguageControl();
        //        SettingsFlyout mypane = new SettingsFlyout(languageTitle, control)
        //        {
        //            Width = _settingsWidth,
        //            Height = _windowBounds.Height
        //        };
        //        control.SettingChanged += delegate(object sender2, GlobalSettingChangedEventArgs e)
        //        {

        //            ApplicationData.Current.LocalSettings.Values["ForceKorean"] = e.Value;
        //            Time[] abc = this.DefaultViewModel["MealTimes"] as Time[];
        //            this.DefaultViewModel["MealTimes"] = null;
        //            this.DefaultViewModel["MealTimes"] = abc;
        //        };

        //        _settingsPopup.Child = mypane;
        //        _settingsPopup.SetValue(Canvas.LeftProperty, _windowBounds.Width - _settingsWidth);
        //        _settingsPopup.SetValue(Canvas.TopProperty, 0);
        //        _settingsPopup.IsOpen = true;
        //    });

        //    args.Request.ApplicationCommands.Add(cmd);

        //    var ppolicyTitle = loader.GetString("PrivacyPolicyTitle");
        //    cmd = new SettingsCommand("ppolicy", ppolicyTitle, (x) =>
        //    {
        //        Int32 _settingsWidth = 370;
        //        Rect _windowBounds = Window.Current.Bounds;
        //        _settingsPopup = new Popup();
        //        _settingsPopup.Closed += OnPopupClosed;
        //        Window.Current.Activated += OnWindowActivated;
        //        _settingsPopup.IsLightDismissEnabled = true;
        //        _settingsPopup.Width = _settingsWidth;
        //        _settingsPopup.Height = _windowBounds.Height;

        //        SettingsFlyout mypane = new SettingsFlyout(ppolicyTitle, new TextBlock() { Text = loader.GetString("PrivacyPolicyContent"), TextWrapping = TextWrapping.Wrap, FontSize = 15 })
        //        {
        //            Width = _settingsWidth,
        //            Height = _windowBounds.Height
        //        };

        //        _settingsPopup.Child = mypane;
        //        _settingsPopup.SetValue(Canvas.LeftProperty, _windowBounds.Width - _settingsWidth);
        //        _settingsPopup.SetValue(Canvas.TopProperty, 0);
        //        _settingsPopup.IsOpen = true;
        //    });

        //    args.Request.ApplicationCommands.Add(cmd);
        //}

        //private void OnWindowActivated(object sender, Windows.UI.Core.WindowActivatedEventArgs e)
        //{
        //    if (e.WindowActivationState == Windows.UI.Core.CoreWindowActivationState.Deactivated)
        //    {
        //        _settingsPopup.IsOpen = false;
        //    }
        //}

        //void OnPopupClosed(object sender, object e)
        //{
        //    Window.Current.Activated -= OnWindowActivated;
        //}

        private void PageUnloaded(object sender, RoutedEventArgs e)
        {
            Window.Current.SizeChanged -= Current_SizeChanged;
        }

        private void PageLoaded(object sender, RoutedEventArgs e)
        {
            changeState(ActualWidth);
            Window.Current.SizeChanged += Current_SizeChanged;
        }

        void Current_SizeChanged(object sender, Windows.UI.Core.WindowSizeChangedEventArgs e)
        {
            changeState(e.Size.Width);
        }

        String changeState(Double Width)
        {
            String stateName;
            if (Width > 500)
            {
                var winOrientation = Windows.UI.ViewManagement.ApplicationView.GetForCurrentView().Orientation;
                if (winOrientation == Windows.UI.ViewManagement.ApplicationViewOrientation.Portrait)
                    stateName = "FullScreenPortrait";
                else
                    stateName = "FullScreenLandscape";
            }
            else
                stateName = "Snapped";

            VisualStateManager.GoToState(this, stateName, true);
            return stateName;
        }

        /// <summary>
        /// Populates the page with content passed during navigation. Any saved state is also
        /// provided when recreating a page from a prior session.
        /// </summary>
        /// <param name="sender">
        /// The source of the event; typically <see cref="NavigationHelper"/>
        /// </param>
        /// <param name="e">Event data that provides both the navigation parameter passed to
        /// <see cref="Frame.Navigate(Type, Object)"/> when this page was initially requested and
        /// a dictionary of state preserved by this page during an earlier
        /// session. The state will be null the first time a page is visited.</param>
        private void navigationHelper_LoadState(object sender, LoadStateEventArgs e)
        {
            if (e.NavigationParameter != null)
                this.DefaultViewModel["MealTimes"] = (e.NavigationParameter as Day).Times;
            this.DefaultViewModel["ServedDate"] = (e.NavigationParameter as Day).ServedDate;
            //SettingsPane.GetForCurrentView().CommandsRequested += DietGroupedPage_CommandsRequested;
            registerToNotifier();
        }

        /// <summary>
        /// Preserves state associated with this page in case the application is suspended or the
        /// page is discarded from the navigation cache.  Values must conform to the serialization
        /// requirements of <see cref="SuspensionManager.SessionState"/>.
        /// </summary>
        /// <param name="sender">The source of the event; typically <see cref="NavigationHelper"/></param>
        /// <param name="e">Event data that provides an empty dictionary to be populated with
        /// serializable state.</param>
        private void navigationHelper_SaveState(object sender, SaveStateEventArgs e)
        {
            //SettingsPane.GetForCurrentView().CommandsRequested -= DietGroupedPage_CommandsRequested;
            unregisterToNotifier();
        }

        #region NavigationHelper registration

        /// The methods provided in this section are simply used to allow
        /// NavigationHelper to respond to the page's navigation methods.
        /// 
        /// Page specific logic should be placed in event handlers for the  
        /// <see cref="GridCS.Common.NavigationHelper.LoadState"/>
        /// and <see cref="GridCS.Common.NavigationHelper.SaveState"/>.
        /// The navigation parameter is available in the LoadState method 
        /// in addition to page state preserved during an earlier session.

        protected override void OnNavigatedTo(NavigationEventArgs e)
        {
            navigationHelper.OnNavigatedTo(e);
            this.Loaded += PageLoaded;
            this.Unloaded += PageUnloaded;
        }

        protected override void OnNavigatedFrom(NavigationEventArgs e)
        {
            navigationHelper.OnNavigatedFrom(e);
        }

        #endregion
    }
}
